Africa's Western black rhino has been declared extinct

In 2006, researchers undertook an extensive search for Western black rhinos in Cameroon, the place where the species was last sighted. No rhinos were found. Researchers failed to turn up any evidence of their dung, tracks, or signs of feeding. Had the rare subspecies of black rhinoceros gone the way of the dodo? Sadly, … » 11/11/11 7:40am 11/11/11 7:40am